A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing,preformed. For noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.
NSN 6320-00-456-0836
NSN 5996-01-143-2583
NSN 6620-00-312-2036
NSN 5950-01-052-9313
NSN 6110-01-105-7020
NSN 6685-01-569-2623
NSN 6145-00-553-8196
NSN 6610-01-046-1117
NSN 5999-00-392-1794
NSN 5925-01-460-8587
NSN 6145-01-513-9126
NSN 6645-01-051-1453